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Doctor insights on: What If Your Pupils Iris Always Dilated Even In Light

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What if your pupils iris always dilated even in light?

What if your pupils iris always dilated even in light?

Several things: If this is something new, i'd go to the er, especially if your eyelid is affected as well. We need to rule out dangerous scenarios, like a third nerve palsy, which is sometimes caused by an aneurysm. There are other things that can cause it as well. ...Read more

Iris (Definition)

The iris is a structure within the eye that helps reduce the amount of light that reaches the retina. The iris is known as the colored part of the eye, and can be blue, brown, or any color or combination of colors in between. The iris is the portion of the eye that ...Read more


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If you shine a bright light in your eye will your vision go small?

If you shine a bright light in your eye will your vision go small?

Pupil size: Bright light in the eyes does indeed cause your vision via the pupil to get smaller. Less light coming through the smaller pupil is usually the normal natural response to keep from overwhelming the retina. The peripheral field of vision is constricted with this respose and the central macula, needing the brighter level of light is in control. ...Read more

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If someone has dialated pupils from a concussion. This means they don't react to light at all and are huge in size right?

If someone has dialated pupils from a concussion. This means they don't react to light at all and are huge in size right?

Sort of: Dilated pupils are larger than normal and don't react to light as much as normal.See your personal provider to further evaluate the cause. ...Read more

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Could you tell me if my eyes are light sensitive, will the red laser used during lasik be hard to stare at?

Could you tell me if my eyes are light sensitive, will the red laser used during lasik be hard to stare at?

Probably not: The lights from the microscope are sometimes bright so that the surgeon can see what he/she is doing during the procedure. Fortunately, during the part when you have to carefully look at the red fixation target, the other lights are usually turned way down low to make it easier for you to see and fixate on the red target. You should be fine! ...Read more

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Slowed pupil dilation in left eye in response to bright light exposure. How to make this normal?

Slowed pupil dilation in left eye in response to bright light exposure. How to make this normal?

Confused: The pupil becomes smaller in bright light. Dilation is when the pupil increases in size. This occurs in dim light or when you are frightened. ...Read more

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Why would your eyes ever flash or do a strobe effect in the dark?

Why would your eyes ever flash or do a strobe effect in the dark?

See eye MD: Flashing lights seen in the dark imply a mechanical stimulation of the retina. The most common cause is a posterior vitreous detachment, usually a benign process. If you see a dark curtain coming over your eye, see an eye MD emergently. Otherwise, schedule an appointment. ...Read more

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What could be wrong if my eyes keep seeing light flashes, espescially in the dark?

What could be wrong if my eyes keep seeing light flashes, espescially in the dark?

Aging: This can be a sign of vitreous detachment/degeneration due to aging. The signs can also be that of a retinal detachment that if caught early can usually be repaired successfully. You need to be evaluated by an ophthalmologist. ...Read more

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Why do my pupils dialate for no reason? I don't do drugs and i don't consume any type of alcohol, but my pupils dialate at random. They are usually bigger than they should be and when the light is dimmer you can barely see the color in my eye because of t

Why do my pupils dialate for no reason? I don't do drugs and i don't consume any type of alcohol, but my pupils dialate at random. They are usually bigger than they should be and when the light is dimmer you can barely see the color in my eye because of t

There : There are many people with natural large pupils. They often have light colored iris and tend to be young. It is not a problem. As some people are tall and some short, some people have large pupils and some have small pupils. If you have always had large pupils, don't worry your eyes are fine. Actually, in renaissance italy, ladies will often take medicine made from a plant "bella donna" to make their pupils large. This was and still is considered sign of beauty. Bella donna translates into "pretty lady". ...Read more

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What does it mean when your vision is blurry like you are staring at a light bulb?

What does it mean when your vision is blurry like you are staring at a light bulb?

Many things: The causes of blurred vision are many and vary from minor to very serious. Please consult your eye doctor for a proper exam. Good luck and feel better. ...Read more

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Are you supposed to have a small pupil (unequal to the unaffected eye) after iridotomy and, if so, for how long?

Are you supposed to have a small pupil (unequal to the unaffected eye) after iridotomy and, if so, for how long?

Frequently: Iridotomy is done to protect your eye from an acute attack of glaucoma due to narrow angles (the space between the edge of the iris and the cornea). Usually a laser is applied to the iris to create a hole which by passes the normal fluid pathway preventing the problem. Your surgeon might have put into your eye a pupillary constrictor to aid in this and this makes the pupil smaller on that side. ...Read more

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If someone has bright green eyes, and then they go blind. If their eyes became a dull green, what is the exact cause of that?

If someone has bright green eyes, and then they go blind. If their eyes became a dull green, what is the exact cause of that?

Depends: I guess that would depend on why they went blind. Most likely, its not their iris that changed color but the cornea became hazy causing the green to be less bright. ...Read more

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If you see images of your blood vessels when they shine light does that mean detached retina?

No, it is normal: Seeing blood vessels is a normal sensation during examination with an indirect ophthalmoscope. It does not mean that the retina is detached. ...Read more

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Brain tumor? I notice one pupil is just slightly larger than the other pupil. This happens to be the eye i get migraines in.

Brain tumor? I notice one pupil is just slightly larger than the other pupil. This happens to be the eye i get migraines in.

Unlikely: Brain tumors are rare.If that is the i you get your migraines in most likely why the highest dilated.Check your eyes when you do not have a headache 10% of the population as a dilated pupili do not know how long you've had your headaches but optic neuritis would also need to be considered.If you not not had your headaches evaluated i recommend that you get your headaches evaluated. ...Read more

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What do you suggest if my eyes have a light brown crystal glare at the bottom?

What do you suggest if my eyes have a light brown crystal glare at the bottom?

An exam can tell: It is hard to say what this is without an eye examination, but there are a number of normal variations in the coloration or the eye, iris, cornea, conjunctiva, and sclera of the the eye. Sometimes these are noticed coincidentally when looking closely at the eye in a mirror for another reason and may have been already present. Some change normally over time, but a sudden change should be checked. ...Read more

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What are some possible explanations for my left pupil not dilating? My left eye does not take in as much light as my right eye in the dark. I did some experiments and made some observations that the left pupil does not dilate.

What are some possible explanations for my left pupil not dilating? My left eye does not take in as much light as my right eye in the dark. I did some experiments and made some observations that the left pupil does not dilate.

Several possibilitie: There are several possibilities. Two are old trauma or previous infection that has scarred your iris to your lens. The rest are neurological conditions that need to be sorted out by your specialist eye md (ophthalmologist). Your baseline condition is called anisocoria, which simply means pupils of different sizes. ...Read more

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If someone has floaters, flashes of light and intermittent cloudy vision like a film over the eye what can it mean. There is no curtain or dark veil.

If someone has floaters, flashes of light and intermittent cloudy vision like a film over the eye what can it mean. There is no curtain or dark veil.

Retinal.: Symptoms are concerning for a retinal problem although a cloudy film seems more consistent with a problem in the optical axis. Needs evaluation by an eye specialist. ...Read more

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Pupil (Definition)

The pupil is the opening in the iris inside of the eye though which light is focused on the retinal film at the back of the eye. The iris can open and close in response to light to vary the amount inside the eye. It is what looks red, in the ...Read more